First, air pollution:
If there is sewage under the house, it is easy to emit gases harmful to human body, especially in hot weather, sewage is easy to produce bacteria, attract mosquitoes such as flies, and affect the lives of surrounding residents. 、
Second, dirty water:
Dirty water is easy to carry all kinds of viruses, which is not good for people and animals.
There are many bacteria in dirty water, which is easy to breed mosquitoes in summer. If mosquitoes bite people, they will infect people with bacteria and viruses in dirty water and make them sick.
Dirty water may be pan-acidic, or it may corrode the foundation and concrete parts, leading to the collapse of the house.
Third, Feng Shui:
From the perspective of geomantic omen, there is sewage under the house, everything at home is not smooth, and it is easy to break the money.